7.5
High
CVE-2026-54059 Pillow is a Python imaging library
Description
Pillow is a Python imaging library. Prior to 12.3.0, PIL/PcfFontFile.py _load_bitmaps() read glyph dimensions from the PCF METRICS section and passed them directly to Image.frombytes() without calling Image._decompression_bomb_check(), allowing crafted PCF font data to cause excessive memory allocation. This issue is fixed in version 12.3.0.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Pillow 12.3 | earliest → < 12.3.0 | 12.3.0 |
References
- github.com github.com
- github.com github.com
- github.com github.com
Timeline
- Published
- Last modified
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